The NN1-05D12B3N is a power module isolated module with 2 4.5V and 5.5V voltage ratings, 1W of power, 77% efficiency, and 3kVDC Through Hole RoHS manufacturing from Aipu. It is designed to provide a reliable electrical source of power for small, electrically driven components. The module is suitable for a wide range of electronic applications, including home appliance, lighting, aviation, and medical industries. The module is RoHS compliant, making it an environmentally friendly choice for applications that require high levels of electrical safety.